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1 <html> | |
2 <head> | |
3 <link rel="help" href="http://www.whatwg.org/specs/web-apps/current-work/multipa ge/webappapis.html#eventhandler"> | |
4 <script src="../js/resources/js-test-pre.js"></script> | |
5 </head> | |
6 <body> | |
7 <div id="div"></div> | |
8 <script> | |
9 description("This test checks that EventHandler attributes only accept JS functi ons as input."); | |
10 | |
11 var div = document.getElementById("div"); | |
12 var callbackCount = 0; | |
13 | |
14 function callback() { | |
15 ++callbackCount; | |
16 } | |
17 | |
18 function dispatchKeyEvent() | |
19 { | |
20 var event = new KeyboardEvent('keydown', { bubbles: true, cancelable: true, view: null, keyIdentifier: 'Enter' }); | |
21 div.dispatchEvent(event); | |
22 } | |
23 | |
24 // Input is a JS function, this should work. | |
25 shouldBeNull('div.onkeydown'); | |
26 shouldNotThrow('div.onkeydown = callback'); | |
27 shouldBe('div.onkeydown', 'callback'); | |
28 shouldBe('callbackCount', '0'); | |
29 dispatchKeyEvent(); | |
30 shouldBe('callbackCount', '1'); | |
31 | |
32 // Non callable input should be treated as null. | |
33 var o = { 'handleEvent': callback }; | |
arv (Not doing code reviews)
2013/08/08 19:45:11
No need for quotes if the property name is a valid
do-not-use
2013/08/08 19:53:28
Done.
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34 shouldNotBe('div.onkeydown', 'null'); | |
35 shouldNotThrow('div.onkeydown = o'); | |
36 shouldBeNull('div.onkeydown'); | |
37 dispatchKeyEvent(); | |
38 shouldBe('callbackCount', '1'); | |
39 | |
40 // Test null assignment. | |
41 shouldNotThrow('div.onkeydown = callback'); | |
42 shouldBe('div.onkeydown', 'callback'); | |
43 shouldNotThrow('div.onkeydown = null'); | |
44 shouldBeNull('div.onkeydown'); | |
45 </script> | |
46 <script src="../js/resources/js-test-post.js"></script> | |
47 </body> | |
48 </html> | |
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